Police Ask For The Public’s Help In Tracking Down The Suspect. Lansdale Investigators are asking for the public’s help in tracking down a man who has exposed himself to young girls. Investigators believe the incidents date back as far as May. He’s described as a white male in 20’s or 30’s with a thin build. He’s also known to wear a baseball cap, sometimes accompanied by sun glasses. Police say, the suspect often followed the victims in a black pickup truck before exposing himself. Anyone with information on the suspect is urged to call Lansdale Police at 215-368-1801